{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:WATDE7ASFHBMLBPHGWRHQUACGJ","short_pith_number":"pith:WATDE7AS","canonical_record":{"source":{"id":"2606.28690","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-27T02:16:57Z","cross_cats_sorted":[],"title_canon_sha256":"559d4a0b78dd96170296507781f8c6c3c238dad670b7e2c359f92461cb3cb347","abstract_canon_sha256":"8d219411deca4506be32814b9ba21b26213aee649f2034982e44d5cabd846e0f"},"schema_version":"1.0"},"canonical_sha256":"b026327c1229c2c585e735a2785002325f263cef8581453b1df8ac1f496ed065","source":{"kind":"arxiv","id":"2606.28690","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.28690","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.28690v1","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28690","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"pith_short_12","alias_value":"WATDE7ASFHBM","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"pith_short_16","alias_value":"WATDE7ASFHBMLBPH","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"pith_short_8","alias_value":"WATDE7AS","created_at":"2026-06-30T01:16:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:WATDE7ASFHBMLBPHGWRHQUACGJ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.28690","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-27T02:16:57Z","cross_cats_sorted":[],"title_canon_sha256":"559d4a0b78dd96170296507781f8c6c3c238dad670b7e2c359f92461cb3cb347","abstract_canon_sha256":"8d219411deca4506be32814b9ba21b26213aee649f2034982e44d5cabd846e0f"},"schema_version":"1.0"},"canonical_sha256":"b026327c1229c2c585e735a2785002325f263cef8581453b1df8ac1f496ed065","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:16:47.780229Z","signature_b64":"tj6CoON2OjpRgDJMifWAZPGLu5A+SCliViHc7nthHC8iTIDfd20w7r+6nMqJubm7edEq3kNolzLvVupo5zwyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b026327c1229c2c585e735a2785002325f263cef8581453b1df8ac1f496ed065","last_reissued_at":"2026-06-30T01:16:47.779704Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:16:47.779704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.28690","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-30T01:16:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BiDjmp3uzzyZDNnLVrGK2CAqa2c19X0vbBgUzx5l68xBejxllgqJ+3gZ3E5ngXoQ5xfdPAbzW3c3Dlx+gJieAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T21:20:18.584682Z"},"content_sha256":"7a9959a41b1f4d44746cbeb94df5986a568961d243813c0219fd80aa41f9bfce","schema_version":"1.0","event_id":"sha256:7a9959a41b1f4d44746cbeb94df5986a568961d243813c0219fd80aa41f9bfce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:WATDE7ASFHBMLBPHGWRHQUACGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formal Security Analysis of Agent Protocol Composition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Christophe Hauser, Haonan Li, Qifan Zhang, Shenghan Zheng, Zheng Zhang","submitted_at":"2026-06-27T02:16:57Z","abstract_excerpt":"AI agent protocols define how agents use tools, delegate work, and coordinate across software systems, but their security requirements remain incomplete and inconsistently enforced across deployments. We present AgentThread, a source-linked framework for security assurance analysis of agent protocols, from specification text to running SDKs. AgentThread contributes a layered security scope, protocol-derived checks formalized as TLA+ invariants, and a two-phase checker that compiles protocol specifications into model-checkable models and replays executable counterexamples against real SDKs thro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28690","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.28690/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-30T01:16:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQNugjx+oxQ0qsnJUtyP9uieEQQ3oOgUU/nZzMEex3ExOmNn2JfT1m2er7zbMYhhKjY7muvzVOkccYbQocQxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T21:20:18.585065Z"},"content_sha256":"eb1c51b7f09df590d4dfebe2745ad266b6dc709ea7dcd732dfa26e3297115b13","schema_version":"1.0","event_id":"sha256:eb1c51b7f09df590d4dfebe2745ad266b6dc709ea7dcd732dfa26e3297115b13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WATDE7ASFHBMLBPHGWRHQUACGJ/bundle.json","state_url":"https://pith.science/pith/WATDE7ASFHBMLBPHGWRHQUACGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WATDE7ASFHBMLBPHGWRHQUACGJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-30T21:20:18Z","links":{"resolver":"https://pith.science/pith/WATDE7ASFHBMLBPHGWRHQUACGJ","bundle":"https://pith.science/pith/WATDE7ASFHBMLBPHGWRHQUACGJ/bundle.json","state":"https://pith.science/pith/WATDE7ASFHBMLBPHGWRHQUACGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WATDE7ASFHBMLBPHGWRHQUACGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WATDE7ASFHBMLBPHGWRHQUACGJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"8d219411deca4506be32814b9ba21b26213aee649f2034982e44d5cabd846e0f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-27T02:16:57Z","title_canon_sha256":"559d4a0b78dd96170296507781f8c6c3c238dad670b7e2c359f92461cb3cb347"},"schema_version":"1.0","source":{"id":"2606.28690","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.28690","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.28690v1","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28690","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"pith_short_12","alias_value":"WATDE7ASFHBM","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"pith_short_16","alias_value":"WATDE7ASFHBMLBPH","created_at":"2026-06-30T01:16:47Z"},{"alias_kind":"pith_short_8","alias_value":"WATDE7AS","created_at":"2026-06-30T01:16:47Z"}],"graph_snapshots":[{"event_id":"sha256:eb1c51b7f09df590d4dfebe2745ad266b6dc709ea7dcd732dfa26e3297115b13","target":"graph","created_at":"2026-06-30T01:16:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.28690/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"AI agent protocols define how agents use tools, delegate work, and coordinate across software systems, but their security requirements remain incomplete and inconsistently enforced across deployments. We present AgentThread, a source-linked framework for security assurance analysis of agent protocols, from specification text to running SDKs. AgentThread contributes a layered security scope, protocol-derived checks formalized as TLA+ invariants, and a two-phase checker that compiles protocol specifications into model-checkable models and replays executable counterexamples against real SDKs thro","authors_text":"Christophe Hauser, Haonan Li, Qifan Zhang, Shenghan Zheng, Zheng Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-27T02:16:57Z","title":"Formal Security Analysis of Agent Protocol Composition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28690","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7a9959a41b1f4d44746cbeb94df5986a568961d243813c0219fd80aa41f9bfce","target":"record","created_at":"2026-06-30T01:16:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"8d219411deca4506be32814b9ba21b26213aee649f2034982e44d5cabd846e0f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2026-06-27T02:16:57Z","title_canon_sha256":"559d4a0b78dd96170296507781f8c6c3c238dad670b7e2c359f92461cb3cb347"},"schema_version":"1.0","source":{"id":"2606.28690","kind":"arxiv","version":1}},"canonical_sha256":"b026327c1229c2c585e735a2785002325f263cef8581453b1df8ac1f496ed065","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b026327c1229c2c585e735a2785002325f263cef8581453b1df8ac1f496ed065","first_computed_at":"2026-06-30T01:16:47.779704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T01:16:47.779704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tj6CoON2OjpRgDJMifWAZPGLu5A+SCliViHc7nthHC8iTIDfd20w7r+6nMqJubm7edEq3kNolzLvVupo5zwyBQ==","signature_status":"signed_v1","signed_at":"2026-06-30T01:16:47.780229Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.28690","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a9959a41b1f4d44746cbeb94df5986a568961d243813c0219fd80aa41f9bfce","sha256:eb1c51b7f09df590d4dfebe2745ad266b6dc709ea7dcd732dfa26e3297115b13"],"state_sha256":"c63ef8970b384bbcc271fb82bed25ea5fff8b224fd8e2a7aac7376338f9f930f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ur9TiEDfAqebcBYoELe+70C2IPA7e5xz4m3K1A94dWsU7SzKIdIFR7BbdUCxkBKLOGtCiEJz/KIFPk4IjlgAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T21:20:18.587224Z","bundle_sha256":"1d5f093ba0c696df329bab8854446202bb40d08eff9be3ddd0db63a24401aa28"}}